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Abstract

The main objective of this study was to evaluate the association between income and indicators of access to care as well as indicators of guideline-concordant recommended care in patients with diabetes and poor glycemic control. We used data from a cross-sectional telephone survey of outpatients with diabetes and linked this data with administrative and laboratory data. The study population included adult outpatients living in Calgary, Alberta with diabetes. The exposure was the total household income in the prior 12 months, as reported by survey respondents. We conducted a poisson regression analysis to determine the association between income and each of the outcome variables. We found that participants with an annual household income of < $20,000 were less likely to report taking recommended aspirin as well as statin therapy compared to those with an annual household income > $50,000. Further research is required to delineate the underlying reasons for these results.